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Cable

一种线缆、缆芯的技术，应用在基于碳纳米管的线缆领域，能够解决无法解决金属缆芯趋肤效应、方法复杂、成本高等问题，达到减少衰减、高导电性、轻质量的效果

Active Publication Date: 2009-10-14
TSINGHUA UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

However, the carbon nanotubes in the cable using a metal matrix composite carbon nanotube cable core are disorderly dispersed in the metal, and the carbon nanotubes in the cable cannot take advantage of their axial conductivity, and still cannot solve the problem of the above-mentioned metal cable core. The skin effect problem in
And the cable is prepared by mixing carbon nanotubes in molten metal and then drawing them. This method is relatively complicated and the cost is high.

Method used

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preparation example Construction

[0038] see Figure 6 and Figure 7 The preparation method of the cable 10 according to the first embodiment of the technical solution mainly includes the following steps:

[0039] Step 1: providing a carbon nanotube array 216, preferably, the carbon nanotube array 216 is a super-aligned carbon nanotube array.

[0040] The carbon nanotube array 216 is one or more of a single-wall carbon nanotube array, a double-wall carbon nanotube array, and a multi-wall carbon nanotube array. In this embodiment, the preparation method of the super-parallel carbon nanotube array adopts the chemical vapor deposition method, and its specific steps include: (a) providing a flat substrate, which can be a P-type or N-type silicon substrate, or can be formed There is the silicon substrate of oxide layer, and the present embodiment preferably adopts the silicon substrate of 4 inches; (b) uniformly forms a catalyst layer on the substrate surface, and this catalyst layer material can be selected iron...

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Abstract

A cable comprises at least one cable core, at least one insulating medium layer coated out of the cable core, at least one shielding layer coated out of the insulating medium layer, and an outer sheath coated out of the shielding layer. The cable core comprises a carbon nano-tube long line structure and a conductive material layer which is coated on the surface of the carbon nano-tube long line structure.

Description

technical field [0001] The invention relates to a cable, in particular to a cable based on carbon nanotubes. Background technique [0002] Cables are more commonly used signal transmission wires in the electronics industry. Micron-sized cables are more widely used in IT products, medical instruments, and space equipment, and large-diameter cables are used in power transmission. There are two conductors inside the traditional cable, the inner conductor is used to transmit electrical signals, and the outer conductor is used to shield the transmitted electrical signals and seal them inside, so that the cable has low high-frequency loss, shielding and anti-interference capabilities Please refer to the literature "Electromagnetic Shielding of High-Voltage Cables" (M.De Wulf, P.Wouters et.al., Journal of Magnetismand Magnetic Materials, 316, e908-e901(2007)) for characteristics such as strong and wide frequency use. [0003] In general, the structure of the cable from the inside ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B7/00H01B11/06H01B11/18H01B7/17
CPCH01B7/30H01B11/1808H01B1/24
Inventor 姜开利刘亮范守善
Owner TSINGHUA UNIV
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